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Detecting and Characterizing Companions with a Calibrated Gaia DR2, DR3, and Hipparcos Catalog (G23H)

  • Authors: William Thompson, Dori Blakely, Jerry W. Xuan, Simon Blouin, Jingwen Zhang, Doug Johnstone, Jean-Baptiste Ruffio, Eric Nielsen, Jessica Speedie, Brendan P. Bowler, Alexandre Bouchard-Côté, Kyle Franson, Sarah Blunt, William Roberson, Ryan Cloutier, Andre Fogal, Kaitlyn Hessel, Christian Marois, Alexandra Rochon

William Thompson et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 22.

Joint posterior distributions for the orbital parameters and true masses of 14 Her b (left) and c (right) from our two-planet orbital fitting using RVs and absolute astrometry. The blue line and shaded region show the median and 1σ credible interval for the corresponding parameters from D. C. Bardalez Gagliuffi et al. (2025), which also included the observed position of the planet from JWST imaging. The ranges are compatible despite our not including the relative astrometry.

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